DO NOT SUBMIT: Unix domain sockets. From CL 1061283003.

runtime/bin/socket_macos.cc

Index: runtime/bin/socket_macos.cc
diff --git a/runtime/bin/socket_macos.cc b/runtime/bin/socket_macos.cc
index 205793bc11689161d110091970eb11f8c7faff9f..83517908a1a5e837e9fe31c024fd6ddea6b75186 100644
--- a/runtime/bin/socket_macos.cc
+++ b/runtime/bin/socket_macos.cc
@@ -109,6 +109,22 @@ intptr_t Socket::CreateBindConnect(const RawAddr& addr,
 }
 
 
+intptr_t Socket::CreateConnectUnix(const RawAddr& addr) {
+  intptr_t fd = Create(addr);
+  if (fd < 0) {
+    return fd;
+  }
+
+  intptr_t result = TEMP_FAILURE_RETRY(
+      connect(fd, &addr.addr, sizeof(struct sockaddr_un)));
+  if (result == 0 || errno == EINPROGRESS) {
+    return fd;
+  }
+  VOID_TEMP_FAILURE_RETRY(close(fd));
+  return -1;
+}
+
+
 intptr_t Socket::Available(intptr_t fd) {
   return FDUtils::AvailableBytes(fd);
 }
@@ -416,6 +432,32 @@ intptr_t ServerSocket::CreateBindListen(const RawAddr& addr,
 }
 
 
+intptr_t ServerSocket::CreateBindListenUnix(const RawAddr& addr,
+                                            intptr_t backlog) {
+  intptr_t fd;
+
+  fd = NO_RETRY_EXPECTED(
+      socket(addr.ss.ss_family, SOCK_STREAM, 0));
+  if (fd < 0) return -1;
+
+  FDUtils::SetCloseOnExec(fd);
+
+  if (NO_RETRY_EXPECTED(
+          bind(fd, &addr.addr, sizeof(struct sockaddr_un))) < 0) {
+    VOID_TEMP_FAILURE_RETRY(close(fd));
+    return -1;
+  }
+
+  if (NO_RETRY_EXPECTED(listen(fd, backlog > 0 ? backlog : SOMAXCONN)) != 0) {
+    VOID_TEMP_FAILURE_RETRY(close(fd));
+    return -1;
+  }
+
+  FDUtils::SetNonBlocking(fd);
+  return fd;
+}
+
+
 bool ServerSocket::StartAccept(intptr_t fd) {
   USE(fd);
   return true;